About K. R. Rao
Lived 1961 – 2021 (aged 59). K. R. Rao was an American engineer, known for Discrete Cosine Transform.
Discrete cosine transform
Rao, along with Nasir Ahmed and T. Natarajan, introduced the discrete cosine transform (DCT) in 1974 which has since become very popular in digital signal processing. DCT, INTDCT, directional DCT and MDCT (modified DCT) have been adopted in several international video/image/audio coding standards such as JPEG/MPEG/H.26X series and also by SMPTE (VC-1) and by AVS China.
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Important facts
People in K. R. Rao's life
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Contemporaries
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Frequently asked questions
Who was K. R. Rao?
Indian-American electrical engineer
When was K. R. Rao born?
K. R. Rao was born on 27 August 1961 in Chennai.
When did K. R. Rao die?
K. R. Rao died on 15 January 2021 in Arlington.
What was K. R. Rao's occupation?
K. R. Rao was an engineer.
What was K. R. Rao known for?
K. R. Rao was known for Discrete Cosine Transform.
What nationality was K. R. Rao?
K. R. Rao was American.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). K. R. Rao. https://biography.guide/k-r-rao/
MLA: "K. R. Rao." Biography.guide, https://biography.guide/k-r-rao/.
Chicago: "K. R. Rao." Biography.guide. https://biography.guide/k-r-rao/.
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